National Weather Service California Nevada River Forecast Center Department of Commerce National Oceanic and Atmospheric Administration National Weather Service

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SOUTH FORK EEL RIVER - MIRANDA (MRNC1)
Latitude: 40.18º NLongitude: 123.78º WElevation: 263 Feet
Location: Humboldt County in CaliforniaBulletin Group: North CoastRiver Group: North Coast
Action/Monitor: 27.0 FeetMinor Flood: 33.0 FeetModerate Flood: 38.0 FeetMajor Flood: 42.0 Feet

Observed Data Credit
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Raw streamflow data is provided by the US Geological Survey (USGS).
View US Geological Survey (USGS) Data for this station location.

Historical Stage/Flow Data
Water Year
Peak Discharge (cfs)
Stage (feet)
Date
 Most Recent 5 Years
2023
51,700
28.16
Dec 30, 2022
2022
19,900
18.07
Oct 24, 2021
2021
10,000
14.14
Jan 13, 2021
2020
11,700
14.93
Jan 26, 2020
2019
60,600
29.99
Feb 27, 2019
 Historical High Stage/Flow Events (Period of Record - Oct 1939 to Present) - Ranked by Flow
1965
199,000
46.00
Dec 22, 1964
1956
173,000
42.70
Dec 22, 1955
1986
123,000
38.29
Feb 17, 1986
1982
123,000
34.79
Dec 19, 1981
Location Photographs
ESRI™ Locator Map
Impacts - E19 Information
47.0 FeetExtensive and severe flooding of all areas along the river. Severe damage to roads, bridges and structures can be expected. US Highway 101 and Highway 254 (Avenue of the Giants) will likely be closed. All persons in the vicinity of the river should take appropriate actions to protect life and property.
45.0 FeetSevere flooding of many communities and roads along the river can be expected. Numerous road closures are likely, possibly including US Highway 101 and Highway 254 (Avenue of the Giants). All persons in the vicinity of the river should take appropriate actions to protect life and property.
42.0 FeetExtensive and severe flooding of many portions of the Avenue of the Giants, especially areas in the vicinity of Sylvandale, Myers Flat, Weott and Phillipsville. Expect numerous road closures in these areas.
38.0 FeetConsiderable flooding of portions of the Avenue of the Giants (Highway 254) in the vicinity of Sylvandale, Myers Flat and Weott, with numerous road closures expected. Minor flooding will begin along Phillipsville Road and adjacent low lying areas.
35.0 FeetConsiderable flooding of portions of Avenue of the Giants in the vicinity of Sylvandale, Myers Flat and Weott is likely. Expect closure Of Avenue of the Giants (Highway 254) in numerous locations.
33.0 FeetFlooding of portions of the Avenue of the Giants is likely in the vicinity of Sylvandale, and the Myers Flat and Redwood Giants Trailer Park. Flooding is also possible near Weott.
30.0 FeetFlooding of portions of the Avenue of the Giants may occur, especially in the vicinity of Sylvandale and the Myers Flat and Redwood Giants Trailer Park.
27.0 FeetFlooding of portions of the Avenue of the Giants (Highway 254) is possible near Sylvandale.
Official 7 Day National Weather Service Forecast   (CAZ106)
Tonight: Mostly cloudy. Scattered rain showers in the evening, then isolated rain showers overnight. Patchy valley fog overnight. Snow level 4500 feet. Lows 34 to 44.

Tuesday: Mostly cloudy. Isolated rain showers. Snow level 4500 to 5000 feet. Highs 49 to 64.

Tuesday Night: Mostly cloudy. Scattered rain showers in the evening, then rain showers overnight. Lows 38 to 48. Southeast wind around 20 mph overnight. Gusts up to 35 mph.

Wednesday: Rain showers and isolated thunderstorms. Highs 45 to 60. South wind around 20 mph with gusts at higher elevations to around 40 mph.

Wednesday Night and Thursday: Rain showers and isolated thunderstorms. Snow level 5000 to 5500 feet. Lows 37 to 47. Highs 45 to 60.

Thursday Night and Friday: Mostly cloudy. Scattered rain showers and snow showers. Lows 32 to 42. Highs 45 to 60.

Friday Night: Partly cloudy. Widespread frost. Isolated rain showers. Lows 28 to 38.

Saturday: Mostly sunny. Patchy frost. Highs 47 to 62.

Saturday Night: Partly cloudy in the evening then becoming mostly cloudy. Chance of rain and snow. Lows 31 to 41.

Sunday: Mostly cloudy. Rain likely. Highs 46 to 61.

Sunday Night: Mostly cloudy. Rain and snow likely. Lows 31 to 41.

Monday: Mostly cloudy. Chance of rain and snow. Highs 46 to 61.
Product Disclaimer

This river graphic is not intended to serve as a substitute for official flood watches, warnings, advisories, or statements issued by the NWS Eureka Weather Forecast Office. Observations are preliminary and subject to change. River levels identified as "forecast" should be consistent with those contained in official NWS products. River levels identified as "guidance" have significant uncertainty due to future weather or reservoir regulation and are provided for planning purposes only.